Answer:
81.64
Step-by-step explanation:
2(3.14)=6.28
6.28*13=81.64
:))))
Answer:

Step-by-step explanation:

Subtract 12 from both sides.

Divide both sides by 4.

Check our work with substitution:

We see that our work is correct.
Answer:
percentage of 40 is 8 is 20
It is the thousands place
There are 14 total marbles
8 red
6 blue
Hopefully that helps answer your question some